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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Survey of cassava virus diseases in Tanzania
International Journal of Pest Management, Volume 44, No. 1, Year 1998
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Description
A survey was carried out of African cassava mosaic geminivirus and cassava brown streak virus diseases (ACMD and CBSD) in Tanzania. ACMD occurred throughout the country at low to moderate incidences in the fifteen different regions surveyed (1- 64%). The incidence was generally higher along the coastalplain than in higher altitude areas in the interior. There was a significant correlation between numbers ofadults ofthe whitefly vector, Bemisia tabaci, and incidence of recently infected plants (R = 0.77, p < 0.01), although most infection was attributable to the use of infected cuttings. CBSD was more restricted in distribution and, where present, incidence was low to moderate (1- 36%). Cassava plantings along the southern border with Mozambique link the highest incidence area on the south-east coast near Mtwara, with the other important area ofCBSD incidence along the shore ofLake Malawi. The effects of climatic parameters on ACMD and CBSD incidence are discussed. The survey data suggest that both diseases could be controlled in Tanzania by the use of phytosanitation which involves the use of disease-free planting material and the removal (roguing) of diseased plants. © 1998 Taylor & Francis Group, LLC.
Authors & Co-Authors
Legg, James P.
United Kingdom, Chatham
Natural Resources Institute
Raya, M. D.
Tanzania
Ukiriguru Agricultural Research Institute
Statistics
Citations: 110
Authors: 2
Affiliations: 2
Identifiers
Doi:
10.1080/096708798228473
ISSN:
09670874
e-ISSN:
13665863
Research Areas
Environmental
Study Design
Cross Sectional Study
Cohort Study
Study Approach
Quantitative
Study Locations
Malawi
Mozambique
Tanzania